Stockholders' Equity (Deficit) (Details Textual) (USD $)	12 Months Ended													12 Months Ended						12 Months Ended			12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 06, 2013	Oct. 29, 2013	Jan. 31, 2012	Jan. 17, 2012	Dec. 31, 2011	Nov. 30, 2011	Dec. 31, 2009	Oct. 02, 2009	Dec. 31, 2007	Dec. 27, 2007	Jul. 12, 2006	Dec. 31, 2013 Private Placement [Member]	Dec. 31, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Dec. 31, 2008 Series A Preferred Stock [Member]	Dec. 31, 2007 Series A Preferred Stock [Member]	Dec. 31, 2013 Series B Preferred Stock [Member]	Dec. 31, 2012 Series B Preferred Stock [Member]	Oct. 06, 2009 Series B Preferred Stock [Member]	Dec. 31, 2013 Series B-1 Preferred Stock [Member]	Dec. 31, 2012 Series B-1 Preferred Stock [Member]	Dec. 31, 2011 Series B-1 Preferred Stock [Member]	Dec. 31, 2013 Series B Redeemable Convertible Preferred Stock [Member]	Dec. 31, 2013 Series B Redeemable Convertible Preferred Stock [Member] Private Placement [Member]	Dec. 31, 2013 Common Stock [Member]	Nov. 06, 2013 Common Stock [Member]
Class of Stock [Line Items]
Common Stock, Shares Authorized	750,000,000	130,322,900	225,000,000	24,219,300		3,459,900	126,863,000	88,227,450	38,635,550		14,416,250	2,883,250	11,533,000
Common Stock, Shares, Issued	244,207,733	5,391,095
Common Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001	$ 0.001																										$ 0.001
Preferred Stock, Shares Authorized	25,000,000	65,693,245			3,000,000		62,693,245	40,958,843	21,734,402	15,234,402		6,500,000
Preferred Stock, Shares Issued																5,696,261	5,734,402	3,373,882	3,143,749			11,504,298		45,998,220	45,121,691
Preferred Stock, Par or Stated Value Per Share																$ 3.49	$ 3.49	$ 3.49	$ 3.49			$ 3.49		$ 0.33	$ 0.33
Preferred Stock, Shares Outstanding																5,696,261	5,734,402	3,373,882							45,121,691
Conversion of Stock, Shares Converted																38,141					49,998
Dividends, Preferred Stock, Total	$ 0	$ 0
Stock Conversion Price															3.49					3.49			0.33
Preferred Stock Redemption Percentage	25.00%
Preferred Stock, Accretion of Redemption Discount	40,000	106,300
Stock Issued During Period, Shares, New Issues														7,545,000	0					0			0				7,570,000	0
Share Price																										$ 25,000	$ 4.00
Conversion of Stock, Amount Issued	$ 1,909,000	$ 0																										$ 75,697,044